. The Canadian field-naturalist. 136 The Canadian Field-Naturalist Vol. 89. â Principal Zone of Activity (See Complete Unpublished Species List) FORT POINT Figure 1. The study area in west-central Mackenzie District, Northwest Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Ottawa Field-Naturalists' Club. Ottawa, Ottawa Field-Naturalists' Club

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